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by erikvo
Sat Jul 06, 2019 4:07 pm
Forum: Advanced users
Topic: [PI4:] how do I move the filesystem to a USB stick/Drive
Replies: 33
Views: 2084

Re: [PI4:] how do I move the filesystem to a USB stick/Drive

RPI4 finally booted when rootfs is connected via USB3 port. BUT, it is incredibly slow. boot took 5times longer than usual. login via ssh also took quite long time. and when I checked top, I see strange high cpu usage for IO. top - 18:06:53 up 8 min, 3 users, load average: 7.39, 8.00, 4.30 Tasks: 13...
by erikvo
Sat Jul 06, 2019 3:27 pm
Forum: Advanced users
Topic: [PI4:] how do I move the filesystem to a USB stick/Drive
Replies: 33
Views: 2084

Re: [PI4:] how do I move the filesystem to a USB stick/Drive

hm, tried, but it did not show any chip version. so I tried to open it and indeed it is JMS578. My last question, do you think it is good idea to update it when it is used for rootfs? or should I boot from SDcard and then update? [email protected]:/home/pi# lsusb Bus 003 Device 001: ID 1d6b:0002 Lin...
by erikvo
Sat Jul 06, 2019 3:09 pm
Forum: Advanced users
Topic: [PI4:] how do I move the filesystem to a USB stick/Drive
Replies: 33
Views: 2084

Re: [PI4:] how do I move the filesystem to a USB stick/Drive

oh, I see. do you know how to find out if your procedure will work for my SATA to USB device? I am using this one: https://www.axagon.eu/en/produkty/adsa-1s6 and when I executed command to show firmware version, it showed I think very old version and my box is 2 years old. So, I am quite confused it...
by erikvo
Sat Jul 06, 2019 2:54 pm
Forum: Advanced users
Topic: [PI4:] how do I move the filesystem to a USB stick/Drive
Replies: 33
Views: 2084

Re: [PI4:] how do I move the filesystem to a USB stick/Drive

Hello romprod,

Have you tried it on your RPI4 right?
because I do not want to brick my USB3 ports or even whole RPI4.
and I see that this update manual is not directly for RPI, but for Odroid.
by erikvo
Fri Jul 05, 2019 10:33 am
Forum: Advanced users
Topic: [PI4:] how do I move the filesystem to a USB stick/Drive
Replies: 33
Views: 2084

Re: [PI4:] how do I move the filesystem to a USB stick/Drive

Hello Guys, FINALLY I am booted using SSD drive for rootfs, thanks everyone for suggestions and help. Anyway, I noticed really strange issue, and I think that this was main reason why I was unable to boot using SSD for rootfs. As you can see on screenshot below, RPI4 was struggling to communicate wi...
by erikvo
Thu Jul 04, 2019 7:17 pm
Forum: Advanced users
Topic: [PI4:] how do I move the filesystem to a USB stick/Drive
Replies: 33
Views: 2084

Re: [PI4:] how do I move the filesystem to a USB stick/Drive

Hello HawaiianPi, I tried your suggestion with fresh buster installation. it started booting even it showed screen that it is resizing root partition (means that boot sequence noticed that disk where is rootfs has free space [240GB SSD drive]) but anyway it did not boot up. it stays on splash screen...
by erikvo
Thu Jul 04, 2019 5:32 pm
Forum: Advanced users
Topic: [PI4:] how do I move the filesystem to a USB stick/Drive
Replies: 33
Views: 2084

Re: [PI4:] how do I move the filesystem to a USB stick/Drive

I just tried with /dev/sdbX in cmdline.txt and same behavior.
RPI4 is just unable to boot when rootfs is not on SDcard.
by erikvo
Thu Jul 04, 2019 4:54 pm
Forum: Advanced users
Topic: [PI4:] how do I move the filesystem to a USB stick/Drive
Replies: 33
Views: 2084

Re: [PI4:] how do I move the filesystem to a USB stick/Drive

using /dev/sdaX as reference for mounting filesystem is not good idea. anytime it can be changed from /dev/sda1 to /dev/sdb1 etc and your system will be not able to boot.
by erikvo
Thu Jul 04, 2019 9:10 am
Forum: Advanced users
Topic: [PI4:] how do I move the filesystem to a USB stick/Drive
Replies: 33
Views: 2084

Re: [PI4:] how do I move the filesystem to a USB stick/Drive

Hi, I am also trying to boot not directly from USB, but I want to have /boot on sdcard and "rootfs" on SSD disk attached viac USB... but I am not able to get it work. first thing I tried was just sdcard and SSD disk swap from old RPI3 to new RPI4 (os upgraded to buster), no luck, wont boot. so I dec...

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